Seventeen-year-old Oregon teenager Kelsey forms a bond with a circus tiger who is actually one of two brothers, Indian princes Ren and Kishan, who were cursed to live as tigers for eternity, and she travels with him to India where the tiger's curse may be broken once and for all.

After battling the villanous Lokesh, Kelsey and the Indian princes Ren and Kishan return to India, where Kelsey learns that Ren has amnesia, and five cunning dragons try to keep the trio from breaking the curse that binds them.

The Tuck family is confronted with an agonizing situation when they discover that a ten-year-old girl and a malicious stranger now share their secret about a spring whose water prevents one from ever growing any older.

Kelsey, Ren, and Kishan race against time and the evil sorcerer Lokesh on the Andaman Islands in the Bay of Bengal as they seek Durga's final gift, the Rope of Fire, that will finally break the tiger's curse.

Young Winnie Foster, stifled by the formality of her proper life and her domineering mother, escapes into the woods only to get lost. Her magical summer begins when she meets Jesse Tuck. Jesse is full of life and adventure and Winnie falls in love. The Tuck family has a powerful secret-- a spring that holds the magic of everlasting life. Now Winnie must choose whether she wants to live life as she knows it or drink from the spring.